Please help me to parse this json in python.

{ "IT" : [   { "firstName" : "ajay",  "lastName"  : "stha","age"       : 24 },{ "firstName" : "Michiel",  "lastName"  : "Og","age"       : 35 }],                            "sales"       : [ { "firstName" : "Guru", "lastName"  : "red","age"       : 27 },{ "firstName" : "Jim",   "lastName"  : "Galley","age"       : 34 }] } 

How to parse this json in Python?Please help me

Using json:

import json
data = json.loads(stringinput)